EP0096251A2 - Outil électrique avec un boîtier subdivisé - Google Patents

Outil électrique avec un boîtier subdivisé Download PDF

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Publication number
EP0096251A2
EP0096251A2 EP83104899A EP83104899A EP0096251A2 EP 0096251 A2 EP0096251 A2 EP 0096251A2 EP 83104899 A EP83104899 A EP 83104899A EP 83104899 A EP83104899 A EP 83104899A EP 0096251 A2 EP0096251 A2 EP 0096251A2
Authority
EP
European Patent Office
Prior art keywords
housing
power tool
cover
motor
tool according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP83104899A
Other languages
German (de)
English (en)
Other versions
EP0096251A3 (fr
Inventor
Erwin Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0096251A2 publication Critical patent/EP0096251A2/fr
Publication of EP0096251A3 publication Critical patent/EP0096251A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/16—Hand-held sawing devices with circular saw blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes

Definitions

  • the invention relates to a power tool according to the preamble of the main claim.
  • a power tool is already known from DE-OS 29 28 931, in which the handle has a housing made of two longitudinally divided shells.
  • This shell construction means that the internal cables and their fasteners are easily accessible.
  • Such a shell construction is, however, not suitable for the construction of the housing for electrical tools with housings and handle parts which are at an angle to one another, such as, for example, with electric circular saws.
  • channels are formed in the motor housing, through which the lines required for connecting the motor connection terminals to the switching means of the power tool must be pushed. To assemble this power tool, the lines must be connected to the stator of the motor and threaded through the channels when the stator is inserted into the motor housing. This complicates the assembly of the power tool and also its repair.
  • the power tool according to the invention with the characterizing features of the main claim has the advantage that the built-in parts such as the motor and switching elements can first be firmly installed without difficulty and only then can be connected to the necessary connecting lines.
  • the built-in parts such as the motor and switching elements can first be firmly installed without difficulty and only then can be connected to the necessary connecting lines.
  • the measures listed in the subclaims allow advantageous developments and improvements of the power tool specified in the main claim.
  • the one-piece design of channel covers running at an angle to one another is particularly advantageous.
  • FIG. 1 shows a view of an electric hand-held circular saw designed according to the invention with an angularly extending, one-piece channel cover and an additional housing cover
  • FIG. 2 shows an enlarged view of FIG. 1 seen from the housing cover, partly in section
  • FIG. 3 shows a second embodiment similar to FIG. 1 , in which all housing covers are combined into one component.
  • An electric circular saw 1 is provided with a housing that combines a motor housing 2 and a handle housing 3.
  • a level 4 indicated by dashed lines there are four connection terminals for the stator of the electric motor of the electric circular saw in the interior of the motor housing 2, under a housing cover 5.
  • the housing cover 5 overlaps the end of an angular duct cover 6 facing it, which both a cable duct 7 of the motor housing 2 and also covers a cable duct 8 of the handle housing 3.
  • a switch housing 9 is shown in dashed lines in the handle housing 3, which is connected to a handle 10.
  • the four terminals of the motor are not shown in detail. Shown in FIG. 2 are two cables 11 and 12 which lead from the stator of the motor to the switch housing 9.
  • the housing cover 5 and the duct cover 6 are connected to the motor housing and the handle housing by screws 13.
  • the housing cover 5 which engages over the end of the duct cover 6 facing it secures the duct cover 6 in its position in contact with the motor housing 2.
  • a saw blade protection housing 14 is connected to the motor housing in a known manner. This part of the electric circular saw is not affected by the invention.
  • the motor When assembling the electric circular saw, the motor is first installed in the motor housing 2 and the switch housing 9 in the handle housing 3. Then the cables 11 and 12 are inserted into the cable channels 7 and 8. After connecting these cables 11 and 12 to the stator of the motor and the switch housing 9, the required electrical connections are made. Now the duct cover 6 can be put on and fastened by means of screws 13. Then you put the Open the housing cover 5 and screw it tight. The end of the channel cover 6 facing him is also secured with him.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Sawing (AREA)
  • Surgical Instruments (AREA)
EP83104899A 1982-06-03 1983-05-18 Outil électrique avec un boítier subdivisé Withdrawn EP0096251A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823220869 DE3220869A1 (de) 1982-06-03 1982-06-03 Elektrowerkzeug mit einem geteilten gehaeuse
DE3220869 1982-06-03

Publications (2)

Publication Number Publication Date
EP0096251A2 true EP0096251A2 (fr) 1983-12-21
EP0096251A3 EP0096251A3 (fr) 1987-04-29

Family

ID=6165175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104899A Withdrawn EP0096251A3 (fr) 1982-06-03 1983-05-18 Outil électrique avec un boítier subdivisé

Country Status (3)

Country Link
EP (1) EP0096251A3 (fr)
JP (1) JPS58218848A (fr)
DE (1) DE3220869A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7521826B2 (en) * 2002-02-04 2009-04-21 Milwaukee Electric Tool Corporation Power tools with switched reluctance motor
DE102008024330A1 (de) * 2008-05-20 2009-11-26 Trw Automotive Gmbh Motor-Pumpen-Aggregat

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939843A (en) * 1989-09-14 1990-07-10 Rogers Ronald S Portable handheld circular saw

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH293209A (de) * 1950-08-04 1953-09-15 Siemens Ag Elektrowerkzeug.
FR1202583A (fr) * 1957-11-08 1960-01-12 Siemens Ag Dispositif de jonction à bornes pour des moteurs électriques
US3858160A (en) * 1973-03-05 1974-12-31 Gen Electric Appliance strain relief
DE2928931A1 (de) * 1979-07-18 1981-02-12 Bosch Gmbh Robert Zugentlastungsvorrichtung fuer eine elektrische anschlussleitung insbesondere von einem kraftwerkzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7521826B2 (en) * 2002-02-04 2009-04-21 Milwaukee Electric Tool Corporation Power tools with switched reluctance motor
DE102008024330A1 (de) * 2008-05-20 2009-11-26 Trw Automotive Gmbh Motor-Pumpen-Aggregat

Also Published As

Publication number Publication date
EP0096251A3 (fr) 1987-04-29
JPS58218848A (ja) 1983-12-20
DE3220869A1 (de) 1983-12-08

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Inventor name: WOLF, ERWIN